What airlines fly to Sydney?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Sydney from Louisville according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

There are 3 operators available for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport as of July 2025.

How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$934 Cheap Flights from Louisville to Sydney in 2025

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Find the cheapest flights from Louisville to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

3:47 pm - 7:00 amSDF-SYD

25h 13m2 stops

10:30 am - 10:30 pmSYD-SDF

27h 00m2 stops

$934United Airlines

Find Deal

Thu, Oct 2 - Sat, Oct 18

3:30 pm - 7:00 amSDF-SYD

49h 30m2 stops

10:30 am - 7:57 pmSYD-SDF

24h 27m2 stops

$948United Airlines

Find Deal

Wed, Oct 1 - Sat, Oct 18

3:30 pm - 7:00 amSDF-SYD

49h 30m2 stops

11:20 am - 6:33 pmSYD-SDF

22h 13m2 stops

$974United Airlines

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Wed, Sep 24 - Sun, Oct 12

3:30 pm - 6:55 amSDF-SYD

25h 25m2 stops

9:30 am - 6:58 pmSYD-SDF

23h 28m2 stops

$1,045United Airlines

Find Deal

Sat, Sep 13 - Wed, Sep 17

3:39 pm - 6:55 amSDF-SYD

25h 16m2 stops

10:20 am - 10:02 amSYD-SDF

37h 42m2 stops

$1,104United Airlines

Find Deal

Mon, Aug 4 - Thu, Aug 21

6:26 pm - 9:45 amSDF-SYD

49h 19m2 stops

5:45 pm - 5:42 pmSYD-SDF

37h 57m1 stop

$1,467

Find Deal

Mon, Aug 11 - Mon, Aug 18

11:40 am - 12:15 pmSDF-SYD

34h 35m3 stops

11:15 am - 5:14 pmSYD-SDF

44h 59m3 stops

$1,513

Find Deal

Thu, Oct 2 - Sat, Oct 18

9:01 am - 6:55 amSDF-SYD

31h 54m1 stop

6:20 pm - 9:54 pmSYD-SDF

42h 34m2 stops

$1,826Air New Zealand

Find Deal

Wed, Oct 1 - Sat, Oct 18

4:43 pm - 6:55 amSDF-SYD

24h 12m1 stop

1:10 pm - 10:23 pmSYD-SDF

24h 13m1 stop

$2,007Qantas Airways

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Wed, Sep 24 - Sun, Oct 12

6:46 pm - 6:55 amSDF-SYD

21h 09m1 stop

9:55 pm - 5:25 pmSYD-SDF

35h 30m2 stops

$2,010Qantas Airways

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Sat, Nov 1 - Fri, Nov 7

United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets

United Airlines

Oct 2

SDF3:47 pmLouisville Intl

25h 13m

2 stops

SYD7:00 amSydney Kingsford Smith

Oct 18

SYD10:30 amSydney Kingsford Smith

27h 00m

2 stops

SDF10:30 pmLouisville Intl

$934

Find similar

United Airlines

Oct 1

SDF3:30 pmLouisville Intl

49h 30m

2 stops

SYD7:00 amSydney Kingsford Smith

Oct 18

SYD10:30 amSydney Kingsford Smith

24h 27m

2 stops

SDF7:57 pmLouisville Intl

$948

Find similar

United Airlines

Sep 24

SDF3:30 pmLouisville Intl

49h 30m

2 stops

SYD7:00 amSydney Kingsford Smith

Oct 12

SYD11:20 amSydney Kingsford Smith

22h 13m

2 stops

SDF6:33 pmLouisville Intl

$974

Find similar

Qantas Airways flights from Louisville to Sydney

Our best Qantas Airways deals on Louisville to Sydney flight tickets

Qantas Airways

Sep 24

SDF4:43 pmLouisville Intl

24h 12m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 12

SYD1:10 pmSydney Kingsford Smith

24h 13m

1 stop

SDF10:23 pmLouisville Intl

$2,007

Find similar

Qantas Airways

Nov 1

SDF6:46 pmLouisville Intl

21h 09m

1 stop

SYD6:55 amSydney Kingsford Smith

Nov 7

SYD9:55 pmSydney Kingsford Smith

35h 30m

2 stops

SDF5:25 pmLouisville Intl

$2,010

Find similar

Qantas Airways

Sep 24

SDF4:43 pmLouisville Intl

24h 12m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 12

SYD1:10 pmSydney Kingsford Smith

24h 13m

1 stop

SDF10:23 pmLouisville Intl

$2,023

Find similar

How to get the cheapest flight ticket from Louisville to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from Louisville to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,110. If you are unable to visit Sydney during the month of April, then departing from Louisville during the month March is also very affordable. Most momondo users find prices during this month for around $1,159.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Louisville to Sydney is on a Wednesday when prices can be found for as low as $1,260. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $2,104.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Louisville to Sydney at noon for as low as $1,343. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $1,798. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Louisville to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Sydney (SDF to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Sydney

Best Price Found	$934
Fastest flight time	21h 09m
Direct flights	None
Airports in Sydney	1 airport

The best flight deal from Louisville to Sydney found on momondo in the last 72 hours is $934

The fastest flight from Louisville to Sydney takes 21h 09m

There are no direct flights from Louisville to Sydney. Popular non-direct route for this connection is Louisville Intl Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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How far is Louisville Intl to Sydney Kingsford Smith by plane?
A flight from Louisville Intl to Sydney Kingsford Smith will travel around 9284.6 mi. A reasonable flight in good conditions will take 21h 09m.
When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?
Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?
There are 3 operators available for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport as of July 2025.
How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Louisville to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Sydney is United Airlines (62% of total bookings). The next most popular airlines are Delta (23%) and American Airlines (15%).

Best airlines flying from Louisville to Sydney

Compare and see reviews for airlines that fly from Louisville to Sydney with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $930	Free Cancellation	Rating 7.4 8,863 reviews	Search United Airlines flights
Delta	PriceFrom $985	Free Cancellation	Rating 8.0 7,957 reviews	Search Delta flights
American Airlines	PriceFrom $1,190	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

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Randwick

Cronulla

Manly

Coogee

Penrith

Charlestown

Lithgow

Swansea

Leura

Terrigal

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Sydney for you.

Can I find flights from Louisville to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisville to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.